Ningbo Lionball Ventilator Co., Ltd
+86-574-28825866
310mm Ec Motor Speed Control Backward Centrifugal Fan

310mm Ec Motor Speed Control Backward Centrifugal Fan

Backward Centrifugal blowers are used primarily for intake suction and do not require a scroll housing. They have high hydraulic efficiency. Backward centrifugal impellers offer a quiet and compact air moving solution.

  • Description

    Our company attaches great importance to technology development, always adhere to the 'production, learning, research' combination, and constantly develop customer satisfaction Electronically Commutated Motor ECM, boiler centrifugal fan, Low Noise Exhaust Fan. In the spirit of pioneering audacity, we have accumulated and inherited the spiritual temperament and cultural connotation of innovation, hard work, integrity and excellence. Recalling the past, we will be more confident and serve each new and old customer well. Exhibition of the future, we are full of ambition. Through the extraordinary road of entrepreneurship, we are full of confidence to move towards a new course.

    Production description
    Backward Centrifugal blowers are used primarily for intake suction and do not require a scroll housing. They have high hydraulic efficiency.
    Backward centrifugal impellers offer a quiet and compact air moving solution. The Permanent Split Capacitor (PSC) motors provide reduced operating costs and longer service life. Ball bearing construction allows multiple mounting options. Backward centrifugal impellers have low profiles that do not require an enclosure. Air is discharged 360°radially from the impeller wheel. These units operate very efficiently at high pressures.

        The diameter of Impeller

    280mm

    Material

    Impeller

    PA plastic 66, fibre glass-reinforced

    Rotor

    Coated in black plastic

    Direction of rotation

    Clockwise, seen on rotor

    Counter-Clockwise, seen on rotor

    Type of protection

    IP44 or IP54

    Insulation class

    Class B or Class F

    Mounting position

    Shaft horizontal or rotor on bottom; rotor on top on request(Any)

    Condensate discharges

    Rotor-side

    Approvals

    CE, CCC,UL and so on

    Mode of operation

    Continuous operation(S1)

    Bearings

    Maintenance- free ball bearings

    Motor protection

    Design with thermal overload protector

    Cable exit

    variable, lateral

    Ambient temperature

    -20℃ to 60℃


    Performance parameters

    Model

    Voltage
     V

    Frequency
    HZ

    Current
     A

    Input Power
    W

    Speed
       RPM

    Max Air Flow
           M³/H

    Capacitor
           μF

    Noise
    dB(A)

    Curve

    YWFB2E280

    230

    50

    0.85

    190

    2450

    1900

    5

    67

    YWFB2E280H

    120

    60

    3.1

    380

    3100

    2050

    30

    85

    YWFB4E280

    230

    50/60

    0.36/0.46

    78/102

    1420/1630

    1400/1600

    3

    62/67

    ③④

    115

    50/60

    0.72/0.92

    78/102

    1420/1630

    1400/1600

    12

    62/67


    4

    5


    Product feature and application

    (1) Product feature:

    ●Compact structure

    ●Specialized design

    ●Refined process control

    ●Simple Installation

    ●High efficiency and low noise

    ●Long service life


    (2)Application

    Exhausting industrial processes, roof and building ventilation, clean room and other sensitive HEPA filtering application, laboratory and research facility ventilation, air conditioner, heat exchangers, in-line duct blowers, range hood, fire place inserts, humidifiers, dehumidifiers, hand dryers


    Production details 

    3

    Company profile

    NINGBO LIONBALL VENTILATOR CO.,LTD. was established in 1980. Lionball is one of the key Hi-Tech enterprises of the National Torch Program and a production enterprise combining development,manufacturing and sales together.And our products exported to the United States, Germany, Italy and other European and American countries as well as Brazil, Russia, other emerging industrial countries all around the world.Major partners include EMERSON(EMERSON), PANASONIC (PANASONIC) and other famous companies in the global 500 industry.The main products have been approved by VDE, UL, CE and ROHS and CCC.

    As an enterprise with 40 years of operation history and continuous development and progress, Ningbo Lionball Ventilator Co., Ltd. has established a good cooperative relationship with the global producer and distributors. We believe that our high-quality products, good service and excellent corporate reputation will bring us a win-win situation.

    The quality of our 310mm Ec Motor Speed Control Backward Centrifugal Fan is just as good, but our products are more competitively priced because of our low labor and raw material costs. With the joint efforts of all employees, we are advancing towards the goal of building an industry-leading enterprise with high quality development in the new era. We realize the modern management of the whole process from market development, customer order to product delivery.

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